Melt-blown water-absorbing tissues and matts
US4919997A · kind A · utility
8Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1987 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Nov 6, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/697
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A melt-blown water-absorbing matt of fibers comprises a block copolyetheramide having polyether and polyamide segments. The matt structure provides excellent water absorbency and displays good resilience when exposed to humid conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.